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' A. s. DIBTZMAN & G. ORESSBY; MAGNETIC REGISTER QONNEGTION FOR WATER METERS.

Patented Sept. 6, 1887.

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IV/Ilf INVENTOR WITNE SES N. PEYERS. Phow-lilhagmphur. Wmhinglnn. n c.

UNITED STATES PATENT OFFICE.

ALBERT S. DIETZMAN AND GEORGE GRESSEY, OF LOUISVILLE, KENTUCKY; SAID ORESSEY ASSIGNOR TO HENRY R. MITCHELL, OF SAME PLACE.

MAGNETIC REGISTER-CONNECTION FOR WATER-METERS.

SPECIFICATION forming part of Letters Patent No. 369,595, dated September 6, 1887.

Application filed March 26, 1887. Serial No. 232,511.

To aZZ whom it may concern:

Be it known that we, ALBERT S. DIEIZ- MAN and GEORGE OREssEY, of Louisville, in

the county of Jefferson and State of Kentucky,

5 have invented a new and useful Improvement in Register-Connections for ater-Meters, of which the following is a specification;

Our invention is in the nature of an improvement in water-meters designed to record the number of strokes made by the pis ton or other working part ofthe meter through the agency of an electric circuit and register.

In the Patent N 0. 245,139, granted to George Oressey, August 2, 1881, the same object was I in view, but as the electrical contacts were immersed in water the battery had to contend with a permanently-closed circuit formed by the water, and it soon ran down and lost its efficiency.

Our present invention utilizes a permanent magnet moving in the water with the mechanism of the meter, and influencing, through the walls of the case, an armature with con tacts controlling an electric circuit outside of 5 the meter-case, which we will now proceed to describe.

Figure l is a plan view of the cap containing the register-connections, showing in dotted lines the relation of the piston of the meter to arm 0. Fig. 2is a central longitudinal section of the cap and meter-connections on a little larger scale than Fig. 1. Fig. 3 is a plan view of the cap A, with the top portion removed, the view being upon a still larger scale. Fig. 4 is a sectional detail or the electrical contacts.

A represents a diamagnetic brass cap of circular form, which is secured to the meter case by bolts or screws with a water-tight o joint. Vithin this cap is formed or attached a rigid pivot-stem, (1, upon which is hung to oscillate a permanent magnet, B, of the horseshoe pattern, the poles of which magnet approach very closely the top of the cap.

Attached to the permanent magnet by a suitable coupling, b, is ahinged arm, 0, which, with the permanent magnet, rests within the meter-case and is immersed in the water with which it is filled. The enlarged outer end of this arm is oscillated by some reciprocating (N0 model.)

part of the meter. Thus, for example, when applied to meters of the Worthington type, which has two pistons on the same stem, said enlarged end of the arm rests in the space between the two pistons, as shown in dotted lines 5 in Fig. 1, and the reciprocation of the pistons imparts an oscillating motion to the arm 0 and the permanent magnet.

At diametrically-opposite points in the top of the cap are two soft iron plugs, D D, which 6 are finished flush with the interior face of the cap and extend through to the outside of the cap. When the poles of the permanent magnet within the case rest upon these iron plugs, the latter form conductors of magnetism 6 5 (through the diamagnetic brass cap) to influence an armature on the outside of the cap. E is this armature, which is mounted upon a lever, F, fulcrumed in pivotal support G, and bearing on the opposite side of its fulcrum from the armature a weight, H. The opposite end of this lever plays between the head of a set-screw, c, (which limits the upward movement,) and a contact, (2, fixed on an insulating-block of rubber, I, which contact is electrically connected to the conducting-wire J.

Now, it will be seen that if an electric register has one of its wires connected with wire J and the other with the metallic case A every time the piston of the meter brings the poles of the permanet magnet under the iron plugs D D the armature outside the case is attracted, and an electric circuit is closed by connecting the metal of the case and the wire. On the other stroke of the piston the permanent magnet is removed from the plugs D D, and, there being then no magnetic influence to hold the armature, it rises and breaks'contact from the gravity of the weight on the opposite end of the lever. This closure of an electric circuit through an electric register, and the alternate breaking of the same, it will be seen, has the effect to give a step-by-step intermittent movement to said register, each of which records a volume of water equal to the discharge of the cylinder in which the piston moves. with this construction it will be seen that the normal condition of the battery-circuit is an open one, and as the contacts are not immersed in water the battery is not quickly exhausted rco and there is no corrosion to impair the contacts, nor accumulation of slime to short-circuit the current, as all the delicate working parts are removed from the watenchainber.

To protect the armature and its associated parts, a screw-cap, L, is secured upon the top of cap A, and has a central outlet for the wire J.

Having thus described our invention, what we claim as new is.

1. In a water-meter, the combination of a permanent magnet connected to and moved by the working parts of the meter within the water-chamber, the cap having one or more iron plugs, an armature playing upon said plugs outside the cap, and electrical contacts operated by said armature for controlling an electric circuit, substantially as and for the purpose described.

2. The combination of the cap of a watermeter made of diamagnctie material, and having one or more soft-iron plugs extending through the same, a permanent magnet playing upon one side of said cap on said plugs, and an armature arranged upon the opposite side of said cap to be influenced by said permanent magnet through the plugs, substantially as shown and described.

3. The combination of the cap A with iron plugs D and stem a, the permanent magnet 13 hung therein to oscillate, and having an actuating-arm, the armature E, and lever F, fulcrnmed outside the cap, and having a weight at one end and contacts at the other, substantially as and for the purpose described.

4. The combination of the cap A with iron plugs D and stem to, the permanent magnet B, hung thereon and provided with an actuatingarm, the armature and contacts arranged upon the outside of the cap A, and the protecting cap L, secured to the top of cap A to inclose the armature and contacts, and having an outlet i'or the conducting-wire, substantially as and for the purpose described.

ALBERT S. DIETZMAN. GEORGE GRESSEY.

Vitnesses:

CLARENCE MoOaRRoLL, H. R. MITCHELL. 

